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Common risk factors of infrastructure investments

Semir Ben Ammar () and Martin Eling

Energy Economics, 2015, vol. 49, issue C, 257-273

Abstract: The risk of infrastructure investments is driven by unique factors that cannot be well described by standard asset class factor models. We thus create a nine-factor model based on infrastructure-specific risk exposure, i.e., market risk, size, value, momentum, cash flow volatility, leverage, investment growth, term risk, and default risk. We empirically test our model on a large dataset of U.S. infrastructure stocks in different subsectors (utility, telecommunication, and transportation) and over a long period of time (1983 to 2011). The new factor model is able to capture the variation of infrastructure returns better than the Fama/French three-factor, the Carhart four-factor or the extended Fung/Hsieh eight-factor models. Thus, our model helps to improve the evaluation of infrastructure funds and to better determine the cost of capital of infrastructure firms, something that is increasingly relevant in light of the growing need for privately financed infrastructure projects.

Keywords: Infrastructure; Asset class; Factor model; Fama/French factors; Leverage; Cash flow volatility; Investment factor (search for similar items in EconPapers)
JEL-codes: G11 G12 G19 L90 O18 (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:eneeco:v:49:y:2015:i:c:p:257-273

DOI: 10.1016/j.eneco.2015.01.021

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Energy Economics is currently edited by R. S. J. Tol, Beng Ang, Lance Bachmeier, Perry Sadorsky, Ugur Soytas and J. P. Weyant

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